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Initial Operational Capability (IOC):
Also Known As: Arrius 2B, Arrius 2B1, Arrius 2B1A and Arrius 2B1B
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Description: The Arrius is a family of turboshaft engines introduced in 1981 to power a wide range of rotary-wing single and twin-engine aircraft. More than 2,700 engines have been produced by Turbomeca (Safran Group) for 430 customers in 60 countries as of early 2011. These engines have logged more than 5 million flight hours so far. This engine family features extreme simplicity design and mainly consists of five basic variants: Arrius 1A/1M, Arrius 2F, Arrius 2B1/2B2, Arrius 2K1/2K2 and Arrius 2G/2G1. Only the Arrius 2F/G/B/K variants remain in production today. Their maximum power at take-off ranges from 479-shp to 730-shp.
The Arrius 2 is a derivative of Arrius 1 turboshaft engine. Arrius 2 (2B/2B1/2B1A/2B1B/2B2) engines have been selected to power the EC 135 civil helicopter and the EC 635 military helicopter (2B1 and 2B2 engine models). Arrius 2B1 entered service in 2001.
Arrius 2 Applications
Arrius 2 Specifications
Height: 690 millimeter (27.2 inch)
Length: 1,160 millimeter (46 inch)
Width: 520 millimeter (20.5 inch)
Max Power at TakeOff: 589 shp (439 kW)
Dry Weight: 114 kilogram (251 pound)
CEP: Circular Error Probable
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
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